/**
* @author AlbertDarren
* @contact 2563491540@qq.com
*/
#include <cstdio>

using namespace std;
void increase(int &x)
{
    ++x;
}
int main_61()
{
    int n;
    scanf("%d",&n);
    increase(n);
    printf("%d\n",n);
	return 0;
}
